Mechanical drawing for industrial and high schools (1917)
Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 50
Fig.-f … D y^ N e ^■^\j\ \q .T^ A Fig.^ V \ s B CLASS Indusfriat UAMC \John liV. Roberts DATE Dec. 18-06. ThC €lL/PS€ SCALE Full Size Dyvs.fJo. C-1014 LESSON No. 22. ]\IETHOD OF HOLDING PEN.—In learning to trace, one ofthe first problems which confronts the students is how to hold theinstruments. In…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
